A kind of high-strength and large-deformation carbon fiber composite board and preparation method thereof

A carbon fiber and large-deformation technology, applied in construction, building components, building materials, etc., can solve the problems of reducing reliability and limiting the scope of use, and achieve the effect of light weight, easy access to material sources, and high tensile strength
CN109184074BInactive Publication Date: 2021-06-15LANZHOU UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
LANZHOU UNIVERSITY
Publication Date
2021-06-15
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a high-strength and large-deformation carbon fiber composite plate and a preparation method thereof. This high-strength and large-deformation carbon fiber composite panel is composed of an oval inner core, a carbon fiber skin and a carbon fiber turnbuckle. The core can be realized by a 3D printer to shape the carbon fiber skin into a wavy shape. The oval core is wrapped by multiple groups of carbon fiber skins, and each group of carbon fiber skins is made of a pair of carbon fiber cloth strips of equal width and bonded by epoxy resin On the surface of the core, the pair of carbon fiber skins are wound into carbon fiber turnbuckles at both ends of the core to prevent the peeling of the outer edges of the carbon fibers and the detachment between the skin and the core; finally, the wrapped carbon fiber composite structure is soaked in epoxy resin glue , and the carbon fiber composite board is obtained after curing. The carbon fiber composite plate material of the present invention is light in weight and high in strength, high in tensile strength and large in deformation capacity, and the stress-strain performance of deformation can be pre-designed by printing different core structures.
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Description

technical field

[0001] The invention relates to a high-strength and large-deformation carbon fiber composite plate and a preparation method thereof, belonging to the technical field of new material preparation. Background technique

[0002] Traditional carbon fiber composite materials have the characteristics of light weight, high strength and corrosion resistance. They are ideal tensile materials and have been widely used in aerospace, civil engineering, ship engineering and other fields. However, due to its poor deformation ability and prone to brittle fracture damage, this short performance makes carbon fiber composites unable to meet the design requirements for deformation ability of existing specifications, which greatly limits its application in aerospace, civil engineering, and ship engineering. applications in the field.

[0003] A novel sandwich composite structure consisting of a symmetrical corrugated carbon fiber composite and an extrudable foam core has been pr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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